Onamia City is a city in Mille Lacs County, Minnesota, home to about 719 people across 1.0 square miles. It has no ZIP code of its own: it’s part of 56359.
Homes sold for a median of $223 per square foot in the three months ending August 2026, a balanced market.
Population719734 per sq mi
Median home value$122,900Census, as estimated by owners
Price per sq ft$223Sold homes, 3 months to August 2026
Each card is that ZIP code’s whole market, including any part outside Onamia City. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
The Onamia City guide is on the way
We’re writing up Onamia City’s story and what everyday life there is like, for people thinking about moving in.
History
What it’s like to live there
Getting around
Things to do
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Around Onamia City
Distances
Nearest major airport
Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)87 miles away
Closer regional airport
Brainerd Lakes Regional Airport (BRD)30 miles away
Nearest city of 250,000+
Minneapolis, MN80 miles away
Nearest city of 1 million+
Chicago, IL419 miles away
Straight-line distances from the center of Onamia City; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Who represents Onamia City
U.S. Representative · Minnesota’s 8th DistrictPete Stauber (R)
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Population over time
Onamia City had 784 residents in the 2020 census, down 7% since 2000.
It’s the 796th largest of 2,727 towns in Minnesota by population.
Mille Lacs County grew from 8,066 residents in 1900 to 26,459 in 2020.
Mille Lacs County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Weather by month
Average highs peak around 78°F in summer, and winter lows average 0°F. About 28.9 inches of rain and melted snow fall in a typical year, with about 43 inches of snow.
Source: NOAA 1991–2020 climate normals, Isle 12n, MN weather station (18 miles away).
Jobs in Mille Lacs County
8,011 jobs at 742 businesses in Mille Lacs County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Health care
56 doctors and other health care providers list an office in Onamia City.
Nearest hospitals
Mille Lacs Health SystemCritical access hospital · emergency room · Onamia1.7 miles
Welia HealthCritical access hospital · emergency room · CMS rating 3 of 5 · Mora24.2 miles
Cuyuna Regional Medical CenterCritical access hospital · emergency room · CMS rating 3 of 5 · Crosby29.8 miles
Providers with an office here
Primary care doctors
15
Dentists
1
Nurse practitioners and physician assistants
18
Mental health providers
17
Physical and occupational therapists
4
Optometrists
1
Pharmacies
5
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Places in and around Onamia City
Pharmacies
Onamia Drug1.6 mi
Libraries
Onamia Depot Library1.7 mi
Counts are within about 1 mile of the center of town.
Public schools here are run by Onamia Public School District, Nay-Ah-Shing School. Check each district’s attendance zones for a specific address.
Public schools(7)
School
Grades
Students
Type
Distance
Onamia Primary SchoolOnamia
Pre-K–2
130
Public
2.1 mi
Nay-Ah-Shing SchoolOnamia
K–12
125
Public
6.9 mi
Onamia Elementary SchoolOnamia
3–6
131
Public
2.1 mi
Onamia AcademyOnamia
4–12
36
Alternative Education
1.6 mi
Onamia High SchoolOnamia
7–12
224
Public
2.1 mi
SuccessOnamia
7–9
7
Alternative Education
2.1 mi
Kokesh Area Learning CenterOnamia
9–12
28
Alternative Education
1.5 mi
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.